./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/getNumbers1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56acef1-7817-4825-bcf7-e6ae8d4aa668/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56acef1-7817-4825-bcf7-e6ae8d4aa668/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56acef1-7817-4825-bcf7-e6ae8d4aa668/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56acef1-7817-4825-bcf7-e6ae8d4aa668/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/getNumbers1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56acef1-7817-4825-bcf7-e6ae8d4aa668/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56acef1-7817-4825-bcf7-e6ae8d4aa668/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ae33a6a64877fc5c824e4d2dbc13817f946c171e566de8189cdbc86c749355b6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:50:05,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:50:05,653 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56acef1-7817-4825-bcf7-e6ae8d4aa668/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-05 22:50:05,659 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:50:05,659 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:50:05,682 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:50:05,683 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:50:05,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:50:05,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:50:05,683 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:50:05,683 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:50:05,683 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:50:05,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:50:05,684 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-05 22:50:05,684 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-05 22:50:05,684 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-05 22:50:05,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:50:05,684 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:50:05,684 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:50:05,684 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:50:05,684 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:50:05,685 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:50:05,685 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:50:05,685 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:50:05,685 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:50:05,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:50:05,685 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:50:05,685 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:50:05,685 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:50:05,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:50:05,686 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56acef1-7817-4825-bcf7-e6ae8d4aa668/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae33a6a64877fc5c824e4d2dbc13817f946c171e566de8189cdbc86c749355b6 [2024-12-05 22:50:05,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:50:05,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:50:05,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:50:05,961 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:50:05,962 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:50:05,963 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56acef1-7817-4825-bcf7-e6ae8d4aa668/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/memsafety-ext3/getNumbers1-1.c [2024-12-05 22:50:08,980 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56acef1-7817-4825-bcf7-e6ae8d4aa668/bin/ukojak-verify-CZk0znPC7b/data/ab4ac6301/78cfe72040794b3395ffc1cc5c976d16/FLAG90aa4fced [2024-12-05 22:50:09,194 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:50:09,195 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56acef1-7817-4825-bcf7-e6ae8d4aa668/sv-benchmarks/c/memsafety-ext3/getNumbers1-1.c [2024-12-05 22:50:09,203 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56acef1-7817-4825-bcf7-e6ae8d4aa668/bin/ukojak-verify-CZk0znPC7b/data/ab4ac6301/78cfe72040794b3395ffc1cc5c976d16/FLAG90aa4fced [2024-12-05 22:50:09,221 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56acef1-7817-4825-bcf7-e6ae8d4aa668/bin/ukojak-verify-CZk0znPC7b/data/ab4ac6301/78cfe72040794b3395ffc1cc5c976d16 [2024-12-05 22:50:09,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:50:09,225 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:50:09,227 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:50:09,227 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:50:09,233 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:50:09,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:50:09" (1/1) ... [2024-12-05 22:50:09,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30ee7ad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:09, skipping insertion in model container [2024-12-05 22:50:09,235 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:50:09" (1/1) ... [2024-12-05 22:50:09,252 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:50:09,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:50:09,434 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:50:09,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:50:09,465 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:50:09,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:09 WrapperNode [2024-12-05 22:50:09,466 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:50:09,467 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:50:09,467 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:50:09,467 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:50:09,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:09" (1/1) ... [2024-12-05 22:50:09,482 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:09" (1/1) ... [2024-12-05 22:50:09,500 INFO L138 Inliner]: procedures = 10, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2024-12-05 22:50:09,500 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:50:09,501 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:50:09,501 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:50:09,501 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:50:09,509 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:09" (1/1) ... [2024-12-05 22:50:09,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:09" (1/1) ... [2024-12-05 22:50:09,511 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:09" (1/1) ... [2024-12-05 22:50:09,511 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:09" (1/1) ... [2024-12-05 22:50:09,516 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:09" (1/1) ... [2024-12-05 22:50:09,516 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:09" (1/1) ... [2024-12-05 22:50:09,520 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:09" (1/1) ... [2024-12-05 22:50:09,521 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:09" (1/1) ... [2024-12-05 22:50:09,522 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:09" (1/1) ... [2024-12-05 22:50:09,523 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:50:09,524 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:50:09,524 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:50:09,524 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:50:09,525 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:09" (1/1) ... [2024-12-05 22:50:09,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:50:09,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56acef1-7817-4825-bcf7-e6ae8d4aa668/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:50:09,559 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56acef1-7817-4825-bcf7-e6ae8d4aa668/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:50:09,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56acef1-7817-4825-bcf7-e6ae8d4aa668/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:50:09,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 22:50:09,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:50:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:50:09,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 22:50:09,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 22:50:09,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 22:50:09,665 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:50:09,667 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:50:09,802 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-12-05 22:50:09,802 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:50:09,842 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:50:09,842 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 22:50:09,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:50:09 BoogieIcfgContainer [2024-12-05 22:50:09,843 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:50:09,843 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:50:09,843 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:50:09,852 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:50:09,852 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:50:09" (1/1) ... [2024-12-05 22:50:09,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:50:09,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:09,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-12-05 22:50:09,912 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-12-05 22:50:09,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 22:50:09,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:09,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:50:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:10,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:50:10,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:10,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2024-12-05 22:50:10,140 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2024-12-05 22:50:10,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 22:50:10,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:10,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:50:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:10,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:50:10,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:10,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-12-05 22:50:10,438 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-12-05 22:50:10,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:50:10,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:10,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:50:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:10,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:50:11,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:11,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2024-12-05 22:50:11,182 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2024-12-05 22:50:11,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:50:11,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:11,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:50:11,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:11,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:50:11,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:11,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-12-05 22:50:11,458 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-12-05 22:50:11,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:50:11,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:11,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:50:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:11,647 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:50:12,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:12,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 21 states and 36 transitions. [2024-12-05 22:50:12,357 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 36 transitions. [2024-12-05 22:50:12,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:50:12,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:12,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:50:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:12,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 22:50:12,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:12,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 22 states and 38 transitions. [2024-12-05 22:50:12,494 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 38 transitions. [2024-12-05 22:50:12,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:50:12,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:12,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:50:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:12,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:50:13,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:13,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 24 states and 42 transitions. [2024-12-05 22:50:13,072 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 42 transitions. [2024-12-05 22:50:13,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:50:13,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:13,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:50:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:13,113 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:50:13,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:13,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 25 states and 45 transitions. [2024-12-05 22:50:13,339 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 45 transitions. [2024-12-05 22:50:13,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:50:13,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:13,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:50:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:13,473 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:50:14,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:14,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 28 states and 53 transitions. [2024-12-05 22:50:14,289 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 53 transitions. [2024-12-05 22:50:14,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:50:14,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:14,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:50:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:14,539 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:50:15,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:15,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 31 states and 55 transitions. [2024-12-05 22:50:15,329 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 55 transitions. [2024-12-05 22:50:15,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:50:15,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:15,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:50:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:15,422 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:50:15,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:15,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 33 states and 63 transitions. [2024-12-05 22:50:15,837 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 63 transitions. [2024-12-05 22:50:15,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:50:15,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:15,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:50:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:15,867 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:50:16,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:16,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 34 states and 65 transitions. [2024-12-05 22:50:16,115 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 65 transitions. [2024-12-05 22:50:16,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:50:16,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:16,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:50:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:16,256 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:50:17,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:17,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 38 states and 71 transitions. [2024-12-05 22:50:17,561 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 71 transitions. [2024-12-05 22:50:17,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:50:17,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:17,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:50:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:17,673 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:50:18,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:18,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 40 states and 73 transitions. [2024-12-05 22:50:18,103 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 73 transitions. [2024-12-05 22:50:18,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:50:18,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:18,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:50:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:18,140 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:50:18,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:18,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 42 states and 82 transitions. [2024-12-05 22:50:18,645 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 82 transitions. [2024-12-05 22:50:18,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:50:18,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:18,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:50:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:18,976 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:50:19,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:19,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 43 states and 82 transitions. [2024-12-05 22:50:19,348 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 82 transitions. [2024-12-05 22:50:19,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:50:19,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:19,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:50:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:19,450 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:50:19,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:19,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 45 states and 84 transitions. [2024-12-05 22:50:19,879 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2024-12-05 22:50:19,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:50:19,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:19,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:50:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:19,995 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:50:20,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:20,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 47 states and 93 transitions. [2024-12-05 22:50:20,650 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 93 transitions. [2024-12-05 22:50:20,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:50:20,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:20,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:50:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:20,934 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:50:22,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:22,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 52 states and 104 transitions. [2024-12-05 22:50:22,729 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 104 transitions. [2024-12-05 22:50:22,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 22:50:22,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:22,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:50:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:22,878 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:50:23,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:23,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 54 states and 113 transitions. [2024-12-05 22:50:23,545 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 113 transitions. [2024-12-05 22:50:23,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 22:50:23,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:23,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:50:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:23,822 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:50:26,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:26,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 59 states and 120 transitions. [2024-12-05 22:50:26,462 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 120 transitions. [2024-12-05 22:50:26,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 22:50:26,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:26,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:50:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:26,641 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:50:27,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:27,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-05 22:50:27,476 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-05 22:50:27,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 22:50:27,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:27,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:50:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:28,090 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 49 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:50:29,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:29,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 63 states and 131 transitions. [2024-12-05 22:50:29,134 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 131 transitions. [2024-12-05 22:50:29,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 22:50:29,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:29,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:50:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:29,294 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:50:30,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:30,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 65 states and 140 transitions. [2024-12-05 22:50:30,120 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 140 transitions. [2024-12-05 22:50:30,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 22:50:30,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:30,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:50:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:30,505 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:50:33,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:33,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 70 states and 151 transitions. [2024-12-05 22:50:33,297 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 151 transitions. [2024-12-05 22:50:33,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 22:50:33,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:33,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:50:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:33,492 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:50:34,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:34,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 72 states and 156 transitions. [2024-12-05 22:50:34,525 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 156 transitions. [2024-12-05 22:50:34,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 22:50:34,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:34,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:50:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:34,947 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 91 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:50:35,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:35,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 30 states and 31 transitions. [2024-12-05 22:50:35,989 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2024-12-05 22:50:35,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 22:50:35,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:35,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:50:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:50:36,004 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:50:36,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:50:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:50:36,082 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:50:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:50:36,115 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 28 iterations. [2024-12-05 22:50:36,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:50:36 ImpRootNode [2024-12-05 22:50:36,143 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:50:36,144 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:50:36,144 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:50:36,144 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:50:36,144 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:50:09" (3/4) ... [2024-12-05 22:50:36,145 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 22:50:36,184 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 15. [2024-12-05 22:50:36,229 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56acef1-7817-4825-bcf7-e6ae8d4aa668/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:50:36,229 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56acef1-7817-4825-bcf7-e6ae8d4aa668/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:50:36,229 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:50:36,230 INFO L158 Benchmark]: Toolchain (without parser) took 27004.67ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 92.8MB in the beginning and 83.0MB in the end (delta: 9.8MB). Peak memory consumption was 83.2MB. Max. memory is 16.1GB. [2024-12-05 22:50:36,230 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 72.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:50:36,231 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.16ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 82.2MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:50:36,231 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.59ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:50:36,231 INFO L158 Benchmark]: Boogie Preprocessor took 22.15ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.4MB in the end (delta: 748.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:50:36,232 INFO L158 Benchmark]: RCFGBuilder took 318.82ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 68.5MB in the end (delta: 11.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:50:36,232 INFO L158 Benchmark]: CodeCheck took 26299.77ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 68.5MB in the beginning and 89.0MB in the end (delta: -20.6MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2024-12-05 22:50:36,232 INFO L158 Benchmark]: Witness Printer took 85.60ms. Allocated memory is still 192.9MB. Free memory was 89.0MB in the beginning and 83.0MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:50:36,234 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 12 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 26.2s, OverallIterations: 28, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1773 SdHoareTripleChecker+Valid, 14.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1431 mSDsluCounter, 174 SdHoareTripleChecker+Invalid, 12.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 54 mSDsCounter, 2311 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7560 IncrementalHoareTripleChecker+Invalid, 9871 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2311 mSolverCounterUnsat, 120 mSDtfsCounter, 7560 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3296 GetRequests, 2807 SyntacticMatches, 193 SemanticMatches, 296 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39646 ImplicationChecksByTransitivity, 22.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 356 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 305 ConstructedInterpolants, 0 QuantifiedInterpolants, 2888 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 3 PerfectInterpolantSequences, 180/800 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L19] CALL, EXPR getNumbers() [L8] int *array = alloca(10 * sizeof(int)); [L10] int i = 0; VAL [array={2:0}, i=0] [L10] COND TRUE i < 10 VAL [array={2:0}, i=0] [L11] array[i] = i [L10] ++i VAL [array={2:0}, i=1] [L10] COND TRUE i < 10 VAL [array={2:0}, i=1] [L11] array[i] = i [L10] ++i VAL [array={2:0}, i=2] [L10] COND TRUE i < 10 VAL [array={2:0}, i=2] [L11] array[i] = i [L10] ++i VAL [array={2:0}, i=3] [L10] COND TRUE i < 10 VAL [array={2:0}, i=3] [L11] array[i] = i [L10] ++i VAL [array={2:0}, i=4] [L10] COND TRUE i < 10 VAL [array={2:0}, i=4] [L11] array[i] = i [L10] ++i VAL [array={2:0}, i=5] [L10] COND TRUE i < 10 VAL [array={2:0}, i=5] [L11] array[i] = i [L10] ++i VAL [array={2:0}, i=6] [L10] COND TRUE i < 10 VAL [array={2:0}, i=6] [L11] array[i] = i [L10] ++i VAL [array={2:0}, i=7] [L10] COND TRUE i < 10 VAL [array={2:0}, i=7] [L11] array[i] = i [L10] ++i VAL [array={2:0}, i=8] [L10] COND TRUE i < 10 VAL [array={2:0}, i=8] [L11] array[i] = i [L10] ++i VAL [array={2:0}, i=9] [L10] COND TRUE i < 10 VAL [array={2:0}, i=9] [L11] array[i] = i [L10] ++i VAL [array={2:0}, i=10] [L10] COND FALSE !(i < 10) [L14] return array; [L19] RET, EXPR getNumbers() [L19] int *numbers = getNumbers(); [L21] int i = 0; VAL [i=0, numbers={2:0}] [L21] COND TRUE i < 10 [L22] numbers + i * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 72.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.16ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 82.2MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.59ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.15ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.4MB in the end (delta: 748.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 318.82ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 68.5MB in the end (delta: 11.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 26299.77ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 68.5MB in the beginning and 89.0MB in the end (delta: -20.6MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. * Witness Printer took 85.60ms. Allocated memory is still 192.9MB. Free memory was 89.0MB in the beginning and 83.0MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 22:50:36,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56acef1-7817-4825-bcf7-e6ae8d4aa668/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref)